The ciliary muscle is a circular ring of muscle that attaches all the way around the lens. This ciliary muscle can change the shape of the crystalline lens by stretching it at the edges.
The Letter X can represent any of the following options but the most correct option is ; Cell ( A )
<u>Although your question lacks the required </u><u>graphic organizer</u><u> a general answer is provided within the concept of your question</u>
A graphic organizer is a tool ( learning tool ) used by educators to present contents in a visual and text format. it is mainly used to establish connections between related components or concepts. they can also be referred to as knowledge maps.
The graphic organizer in this question will show the relationship between, cell --> organism --- >biosphere --->Ecosystem
Hence we can conclude that most correct option is ; Cell ( A ).
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No u dont because earth gravitational pull is stronger also it is a scientific law